Mammals can maintain a constant body temperature.

Odd-toed ungulates include mammals such as horses and camels.

This report covers all the details.

This report includes all the details.

He crossed the desert riding a camel.

Camels have special adaptations to live in the desert.

Part of this movie is based on actual events.

Even-toed ungulates are a large group of animals that include some livestock such as cows and sheep.

My grandfather used to plow the rice fields with a horse in the old days.

The horse's hoof is very hard.